S. B. Ulitovskiy
Pavlov First Saint Petersburg State Medical University
Russian Federation

Sergej B. Ulitovskiy, DMD, PhD DSc, Professor, Chief of the Department of Preventive Dentistry, Deputy Director for Research of the Research Institute of Dentistry and Maxillofacial Surgery

Saint Petersburg

O. V. Kalinina
Pavlov First Saint Petersburg State Medical University
Russian Federation

Olga V. Kalinina, DMD, PhD, Associate Professor, Department of Preventive Dentistry, Senior Researcher, Research Institute of Dentistry and Maxillofacial Surgery

Saint Petersburg

A. V. Shevcov
Pavlov First Saint Petersburg State Medical University
Russian Federation

Aleksandr V. Shevtsov, DMD, Assistant Professor, Department of Preventive Dentistry

Saint Petersburg

E. S. Soloveva
Pavlov First Saint Petersburg State Medical University
Russian Federation

Elena S. Soloveva, Assistant Professor, Department of Preventive Dentistry

Saint Petersburg

N. K. Fok
Pavlov First Saint Petersburg State Medical University
Russian Federation

Natalia K. Fok, Senior Department Assistant, Department of Preventive Dentistry

Saint Petersburg